Ferryu lists 1 ferry route from Holyhead.
Ferries leave Holyhead for Dublin, with Irish Ferries and Stena Line.
Pick a route to see the operators I list on it and where to book with them.
Ferries from Holyhead
Crossings from and to Holyhead
Weather in Holyhead
- Warmest month: July, average high 19°C.
- Wettest month: November, about 105 mm of rain.
- Sea at its warmest in August, about 17°C.
Temperature
- Air, average daily low to high (1991–2020)
- Sea surface, monthly average (2023–2024)
Rain
Average total for the month, mm (1991–2020)
Temperature
- Air, average daily low to high (1991–2020)
- Sea surface, monthly average (2023–2024)
Rain
Average total for the month, mm (1991–2020)
Show the numbers
| Month | High °C | Low °C | Rain mm | Sea °C |
|---|---|---|---|---|
| January | 8.6 | 4.9 | 85.3 | 8.9 |
| February | 8.5 | 4.7 | 72.5 | 8.6 |
| March | 9.8 | 5.3 | 70.8 | 8.5 |
| April | 12.0 | 6.7 | 64.5 | 9.8 |
| May | 14.9 | 9.0 | 62.7 | 12.4 |
| June | 17.1 | 11.4 | 65.9 | 14.8 |
| July | 18.7 | 13.4 | 61.1 | 16.0 |
| August | 18.6 | 13.4 | 74.3 | 16.7 |
| September | 17.0 | 11.9 | 75.3 | 16.3 |
| October | 14.1 | 9.8 | 95.4 | 14.6 |
| November | 11.2 | 7.4 | 104.7 | 12.8 |
| December | 9.2 | 5.5 | 99.9 | 10.7 |
1991–2020 averages, ERA5 via Open-Meteo, read at the grid point nearest the port (11 km away). Sea surface: 2023–2024 averages from the Open-Meteo Marine Weather API, which has no sea temperatures before late 2022.

